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Cobalt(II) EDTA disodium salt

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Identification
Molecular formula
C10H12CoN2Na2O8
CAS number
15137-09-4
IUPAC name
disodium;2-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate;cobalt
State
State

At room temperature, Cobalt(II) EDTA disodium salt is typically a solid compound. It can often be encountered in laboratories as a stable, water-soluble complex used for analytical and coordination chemistry studies.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
1 200.00
Boiling point (Kelvin)
1 473.15
General information
Molecular weight
397.23g/mol
Molar mass
397.2260g/mol
Density
1.5500g/cm3
Appearence

Cobalt(II) EDTA disodium salt generally appears as a pink to reddish crystalline powder. The color is attributed to the presence of cobalt in the EDTA complex, which is coordinated by the ethylenediaminetetraacetate ions. The compound is often used in solution form where it maintains a similar coloration.

Comment on solubility

Solubility of Disodium 2-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate Cobalt

The solubility of Disodium 2-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate Cobalt is influenced by its unique chemical structure and the presence of multiple functional groups. The key factors affecting its solubility include:

  • Polarity: The presence of carboxylate groups enhances polarity, promoting solubility in polar solvents such as water.
  • Ionic Interactions: As a disodium salt, it is likely to dissociate in solution, resulting in ionic interactions that can further enhance solubility.
  • pH Dependence: The solubility may vary with changes in pH, as carboxylate groups can participate in protonation or deprotonation reactions.
  • Complexation: The cobalt ion may form complexes with water or other solvent molecules, which can impact overall solubility.

In general, one can expect high solubility in aqueous solutions, primarily due to the ionic character imparted by the disodium moieties and the polar functional groups present in the structure. However, the precise solubility values will depend on various factors such as temperature and the presence of other ions in the solution.

As noted, “The more polar a molecule, the more likely it is to dissolve in polar solvents.” Therefore, this compound is anticipated to showcase favorable solubility traits in most aqueous environments, making it suitable for various applications in chemical and biological processes.

Interesting facts

Interesting Facts about Disodium Cobalt(II) Ethylenediaminetetraacetate

Disodium cobalt(II) ethylenediaminetetraacetate, often abbreviated as Co-EDTA, is a fascinating compound that holds significance in various fields, including biochemistry and environmental science. Here are some intriguing aspects of this compound:

  • Versatile Chelator: Co-EDTA is a notable chelating agent, which means it can form stable complexes with metal ions. This property makes it valuable in both analytical chemistry and industrial applications.
  • Biological Importance: Cobalt plays a vital role in human health, particularly in the form of vitamin B12 (cobalamin). Compounds like Co-EDTA can help in studies related to metal ion transport and bioavailability.
  • Environmental Applications: The chelating properties of Co-EDTA make it useful in the remediation of heavy metal-contaminated environments, where it can help in extracting toxic metals from soils and sediments.
  • Stability and Solubility: This compound is known for its stability in various conditions, enhancing its utility in biological and chemical contexts.
  • Coordination Chemistry: The study of Co-EDTA opens the door to understanding coordination chemistry, where metal ions bind to donor atoms of ligands, leading to rich and complex structures.

Overall, disodium cobalt(II) ethylenediaminetetraacetate exemplifies the intricate relationship between metals and organic compounds, showcasing the importance of chelation in multiple scientific domains. As scientists delve deeper into this compound, they continue to uncover its potential applications and the underlying principles that govern its behavior.

Synonyms
Keylocyandr
Disodium cobalt edetate
Cobalt disodium EDTA
Disodium cobalt EDTA
EINECS 239-198-0
Cobalt disodium ethylenediaminetetra-acetate
Cobaltate(2-), ((ethylenedinitrilo)tetraacetato)-, disodium
Cobaltate(2-), [[N,N'-1,2-ethanediylbis[N-[(carboxy-.kappa.O)methyl]glycinato-.kappa.N,.kappa.O]](4-)]-, disodium, (OC-6-21)-
Cobaltate(2-), ((N,N'-1,2-ethanediylbis(N-((carboxy-kappaO)methyl)glycinato-kappaN,kappaO))(4-))-, disodium, (OC-6-21)-
Cobaltate(2-), ((N,N'-1,2-ethanediylbis(N-(carboxymethyl)glycinato))(4-)-N,N',O,O',O(sup N), O(sup N)-, disodium, (OC-6-21)
EDTA-2NACO TETRAHYDRATE
disodium;2-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate;cobalt
Ethylenediaminetetraacetic acid disodium cobalt salt hydrate
Ethylenediaminetetraacetic Acid Disodium Cobalt Salt
Cobaltate(2-), ((N,N'-1,2-ethanediylbis(N-(carboxymethyl)glycinato))(4-)- N,N',O,O',O(sup N), O(sup N)-, disodium, (OC-6-21)